runs per row: 5000; theta 2; no true difference; seed 20261111
n      rate    quasipoisson   nb_wald   nb_lrt
6      3               4.3%      9.6%     8.1%
6      15              5.2%     11.1%     8.5%
10     3               4.5%      7.5%     6.3%
10     15              5.2%      7.4%     6.1%
20     3               5.0%      6.0%     5.4%
20     15              5.3%      5.7%     5.2%
40     3               5.1%      5.4%     5.1%
40     15              5.8%      5.6%     5.2%